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[LTSI-3.14,181/894] i2c: sh_mobile: replace magic hex values with constants

Message ID 1409209620-24487-182-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Aug. 28, 2014, 6:55 a.m. UTC 
From: Wolfram Sang <wsa+renesas@sang-engineering.com>

No functional change, binaries are identical.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
(cherry picked from commit a78f6a4140f95cbedc0b28c4c883e8aa9ba044f1)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/i2c/busses/i2c-sh_mobile.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 1d79585..d91625e 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -316,7 +316,7 @@  static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
 
 	switch (op) {
 	case OP_START: /* issue start and trigger DTE interrupt */
-		iic_wr(pd, ICCR, 0x94);
+		iic_wr(pd, ICCR, ICCR_ICE | ICCR_TRS | ICCR_BBSY);
 		break;
 	case OP_TX_FIRST: /* disable DTE interrupt and write data */
 		iic_wr(pd, ICIC, ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
@@ -327,10 +327,11 @@  static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
 		break;
 	case OP_TX_STOP: /* write data and issue a stop afterwards */
 		iic_wr(pd, ICDR, data);
-		iic_wr(pd, ICCR, pd->send_stop ? 0x90 : 0x94);
+		iic_wr(pd, ICCR, pd->send_stop ? ICCR_ICE | ICCR_TRS
+					       : ICCR_ICE | ICCR_TRS | ICCR_BBSY);
 		break;
 	case OP_TX_TO_RX: /* select read mode */
-		iic_wr(pd, ICCR, 0x81);
+		iic_wr(pd, ICCR, ICCR_ICE | ICCR_SCP);
 		break;
 	case OP_RX: /* just read data */
 		ret = iic_rd(pd, ICDR);
@@ -338,13 +339,13 @@  static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
 	case OP_RX_STOP: /* enable DTE interrupt, issue stop */
 		iic_wr(pd, ICIC,
 		       ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
-		iic_wr(pd, ICCR, 0xc0);
+		iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK);
 		break;
 	case OP_RX_STOP_DATA: /* enable DTE interrupt, read data, issue stop */
 		iic_wr(pd, ICIC,
 		       ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE);
 		ret = iic_rd(pd, ICDR);
-		iic_wr(pd, ICCR, 0xc0);
+		iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK);
 		break;
 	}